package com.sky.mapper;


import com.sky.entity.User;
import lombok.extern.slf4j.Slf4j;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;

import java.util.Map;

@Mapper

public interface UserMapper {


     /**
      * 根据openid查询用户
      * @param openId
      * @return
      */
     @Select("select * from user where openid = #{openId}")
     User findByOpenId(String openId);

     /**
      * 插入用户
      * @param user
      */
     void insert(User user);


     /**
      * 根据id查询用户
      * @param userId
      * @return
      */

     @Select("select * from user where id = #{userId}")
    User getById(Long userId);

    /**
     * 根据条件查询用户数量
     * @param map
     * @return
     */
    Integer countByMap(Map map);
}
